CVE-2026-23045 (GCVE-0-2026-23045)

Vulnerability from cvelistv5 – Published: 2026-02-04 16:00 – Updated: 2026-02-09 08:37
VLAI?
Title
net/ena: fix missing lock when update devlink params
Summary
In the Linux kernel, the following vulnerability has been resolved: net/ena: fix missing lock when update devlink params Fix assert lock warning while calling devl_param_driverinit_value_set() in ena. WARNING: net/devlink/core.c:261 at devl_assert_locked+0x62/0x90, CPU#0: kworker/0:0/9 CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.19.0-rc2+ #1 PREEMPT(lazy) Hardware name: Amazon EC2 m8i-flex.4xlarge/, BIOS 1.0 10/16/2017 Workqueue: events work_for_cpu_fn RIP: 0010:devl_assert_locked+0x62/0x90 Call Trace: <TASK> devl_param_driverinit_value_set+0x15/0x1c0 ena_devlink_alloc+0x18c/0x220 [ena] ? __pfx_ena_devlink_alloc+0x10/0x10 [ena] ? trace_hardirqs_on+0x18/0x140 ? lockdep_hardirqs_on+0x8c/0x130 ? __raw_spin_unlock_irqrestore+0x5d/0x80 ? __raw_spin_unlock_irqrestore+0x46/0x80 ? devm_ioremap_wc+0x9a/0xd0 ena_probe+0x4d2/0x1b20 [ena] ? __lock_acquire+0x56a/0xbd0 ? __pfx_ena_probe+0x10/0x10 [ena] ? local_clock+0x15/0x30 ? __lock_release.isra.0+0x1c9/0x340 ? mark_held_locks+0x40/0x70 ? lockdep_hardirqs_on_prepare.part.0+0x92/0x170 ? trace_hardirqs_on+0x18/0x140 ? lockdep_hardirqs_on+0x8c/0x130 ? __raw_spin_unlock_irqrestore+0x5d/0x80 ? __raw_spin_unlock_irqrestore+0x46/0x80 ? __pfx_ena_probe+0x10/0x10 [ena] ...... </TASK>
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 816b52624cf6a03ea541956b448025d844a8287d , < f2c4bcfa193eef1b7457a56be9c47a8de015f225 (git)
Affected: 816b52624cf6a03ea541956b448025d844a8287d , < 8da901ffe497a53fa4ecc3ceed0e6d771586f88e (git)
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    Linux Linux Affected: 6.17
Unaffected: 0 , < 6.17 (semver)
Unaffected: 6.18.6 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/amazon/ena/ena_devlink.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f2c4bcfa193eef1b7457a56be9c47a8de015f225",
              "status": "affected",
              "version": "816b52624cf6a03ea541956b448025d844a8287d",
              "versionType": "git"
            },
            {
              "lessThan": "8da901ffe497a53fa4ecc3ceed0e6d771586f88e",
              "status": "affected",
              "version": "816b52624cf6a03ea541956b448025d844a8287d",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/amazon/ena/ena_devlink.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.6",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/ena: fix missing lock when update devlink params\n\nFix assert lock warning while calling devl_param_driverinit_value_set()\nin ena.\n\nWARNING: net/devlink/core.c:261 at devl_assert_locked+0x62/0x90, CPU#0: kworker/0:0/9\nCPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.19.0-rc2+ #1 PREEMPT(lazy)\nHardware name: Amazon EC2 m8i-flex.4xlarge/, BIOS 1.0 10/16/2017\nWorkqueue: events work_for_cpu_fn\nRIP: 0010:devl_assert_locked+0x62/0x90\n\nCall Trace:\n \u003cTASK\u003e\n devl_param_driverinit_value_set+0x15/0x1c0\n ena_devlink_alloc+0x18c/0x220 [ena]\n ? __pfx_ena_devlink_alloc+0x10/0x10 [ena]\n ? trace_hardirqs_on+0x18/0x140\n ? lockdep_hardirqs_on+0x8c/0x130\n ? __raw_spin_unlock_irqrestore+0x5d/0x80\n ? __raw_spin_unlock_irqrestore+0x46/0x80\n ? devm_ioremap_wc+0x9a/0xd0\n ena_probe+0x4d2/0x1b20 [ena]\n ? __lock_acquire+0x56a/0xbd0\n ? __pfx_ena_probe+0x10/0x10 [ena]\n ? local_clock+0x15/0x30\n ? __lock_release.isra.0+0x1c9/0x340\n ? mark_held_locks+0x40/0x70\n ? lockdep_hardirqs_on_prepare.part.0+0x92/0x170\n ? trace_hardirqs_on+0x18/0x140\n ? lockdep_hardirqs_on+0x8c/0x130\n ? __raw_spin_unlock_irqrestore+0x5d/0x80\n ? __raw_spin_unlock_irqrestore+0x46/0x80\n ? __pfx_ena_probe+0x10/0x10 [ena]\n ......\n \u003c/TASK\u003e"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-09T08:37:40.339Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f2c4bcfa193eef1b7457a56be9c47a8de015f225"
        },
        {
          "url": "https://git.kernel.org/stable/c/8da901ffe497a53fa4ecc3ceed0e6d771586f88e"
        }
      ],
      "title": "net/ena: fix missing lock when update devlink params",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23045",
    "datePublished": "2026-02-04T16:00:27.874Z",
    "dateReserved": "2026-01-13T15:37:45.944Z",
    "dateUpdated": "2026-02-09T08:37:40.339Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23045\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-02-04T16:16:20.007\",\"lastModified\":\"2026-02-04T16:33:44.537\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/ena: fix missing lock when update devlink params\\n\\nFix assert lock warning while calling devl_param_driverinit_value_set()\\nin ena.\\n\\nWARNING: net/devlink/core.c:261 at devl_assert_locked+0x62/0x90, CPU#0: kworker/0:0/9\\nCPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.19.0-rc2+ #1 PREEMPT(lazy)\\nHardware name: Amazon EC2 m8i-flex.4xlarge/, BIOS 1.0 10/16/2017\\nWorkqueue: events work_for_cpu_fn\\nRIP: 0010:devl_assert_locked+0x62/0x90\\n\\nCall Trace:\\n \u003cTASK\u003e\\n devl_param_driverinit_value_set+0x15/0x1c0\\n ena_devlink_alloc+0x18c/0x220 [ena]\\n ? __pfx_ena_devlink_alloc+0x10/0x10 [ena]\\n ? trace_hardirqs_on+0x18/0x140\\n ? lockdep_hardirqs_on+0x8c/0x130\\n ? __raw_spin_unlock_irqrestore+0x5d/0x80\\n ? __raw_spin_unlock_irqrestore+0x46/0x80\\n ? devm_ioremap_wc+0x9a/0xd0\\n ena_probe+0x4d2/0x1b20 [ena]\\n ? __lock_acquire+0x56a/0xbd0\\n ? __pfx_ena_probe+0x10/0x10 [ena]\\n ? local_clock+0x15/0x30\\n ? __lock_release.isra.0+0x1c9/0x340\\n ? mark_held_locks+0x40/0x70\\n ? lockdep_hardirqs_on_prepare.part.0+0x92/0x170\\n ? trace_hardirqs_on+0x18/0x140\\n ? lockdep_hardirqs_on+0x8c/0x130\\n ? __raw_spin_unlock_irqrestore+0x5d/0x80\\n ? __raw_spin_unlock_irqrestore+0x46/0x80\\n ? __pfx_ena_probe+0x10/0x10 [ena]\\n ......\\n \u003c/TASK\u003e\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/8da901ffe497a53fa4ecc3ceed0e6d771586f88e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f2c4bcfa193eef1b7457a56be9c47a8de015f225\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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